{"id":214592,"date":"2025-05-23T13:16:22","date_gmt":"2025-05-23T18:16:22","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2025\/05\/tempo-molecule-enhances-stability-and-performance-of-perovskite-solar-cells"},"modified":"2025-05-23T13:16:22","modified_gmt":"2025-05-23T18:16:22","slug":"tempo-molecule-enhances-stability-and-performance-of-perovskite-solar-cells","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2025\/05\/tempo-molecule-enhances-stability-and-performance-of-perovskite-solar-cells","title":{"rendered":"TEMPO molecule enhances stability and performance of perovskite solar cells"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/tempo-molecule-enhances-stability-and-performance-of-perovskite-solar-cells.jpg\"><\/a><\/p>\n<p>Perovskite solar cells are among the most promising candidates for the next generation of photovoltaics: lightweight, flexible, and potentially very low-cost. However, their tendency to degrade under sunlight and heat has so far limited widespread adoption. Now, a new study <a href=\"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S2542435125001539\" target=\"_blank\">published<\/a> in <i>Joule<\/i> presents an innovative and scalable strategy to overcome this key limitation.<\/p>\n<p>A research team led by the \u00c9cole Polytechnique F\u00e9d\u00e9rale de Lausanne (EPFL), in collaboration with the University of Applied Sciences and Arts of Western Switzerland (HES\u2060-\u2060SO) and the Politecnico di Milano, has developed a bulk passivation technique that involves adding the molecule TEMPO (2,2,6,6-tetramethylpiperidine-1-oxyl) to the perovskite film and applying a brief infrared heating pulse lasting just half a second.<\/p>\n<p>This approach enables the repair of near-invisible crystalline defects inside the material, boosting solar cell efficiency beyond 20% and maintaining that performance for several months under operating conditions. Using positron annihilation spectroscopy\u2014a method involving antimatter particles that probe atomic-scale defects\u2014the researchers confirmed a significant reduction in vacancy-type defects.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Perovskite solar cells are among the most promising candidates for the next generation of photovoltaics: lightweight, flexible, and potentially very low-cost. However, their tendency to degrade under sunlight and heat has so far limited widespread adoption. Now, a new study published in Joule presents an innovative and scalable strategy to overcome this key limitation. A [\u2026]<\/p>\n","protected":false},"author":367,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[48,1633,17],"tags":[],"class_list":["post-214592","post","type-post","status-publish","format-standard","hentry","category-particle-physics","category-solar-power","category-sustainability"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/214592","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/users\/367"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=214592"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/214592\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=214592"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=214592"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=214592"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}